$OpenBSD: patch-src_rxvt_h,v 1.2 2016/12/29 23:16:30 jca Exp $
--- src/rxvt.h.orig	Mon Aug  4 09:41:35 2008
+++ src/rxvt.h	Fri Dec 30 00:06:36 2016
@@ -335,11 +335,7 @@ typedef char*	    XPointer;
 #  include <jpeglib.h>
 # endif
 # ifdef USE_PNG
-#  ifdef OS_OPENBSD
-#   include <libpng/png.h>
-#  else
-#   include <png.h>
-#  endif    /* OS_OPENBSD */
+#  include <png.h>
 # endif	/* USE_PNG */
 #endif
 
@@ -485,7 +481,7 @@ typedef char*	    XPointer;
  * turn is unsafe without checking. Untainted defines the type of data that is
  * safe.
  */
-#ifdef __GNUC__
+#if 0
 # define $tainted
 # define $untainted
 # define TAINTED    $tainted
